1. Institute
of Organic Chemistry, Research Centre for Natural Sciences of the Hungarian Academy of Sciences, POB 286, Budapest, 1519, Hungary
2. Institute of Materials and Environmental
Chemistry, Research Centre for Natural Sciences of the Hungarian Academy of Sciences,
POB 286, Budapest, 1519, Hungary
3. Laboratory for Reactor Physics and Systems Behaviour, Paul Scherrer Institute, 5232 Villigen PSI, Switzerland
4. Department of Materials Science, University of Milano-Bicocca, Via R. Cozzi 55, Milano, Italy